From b17289e199da24ca08752553e94837456b6c5df5 Mon Sep 17 00:00:00 2001
From: Matthias Klose <doko@ubuntu.com>
Date: Thu, 15 Mar 2012 19:51:34 +0100
Subject: [PATCH] - Issue #14324: Fix configure tests for cross builds.

when configured --with(out)-computed-gotos for a cross, use this value instead of defaulting to no.
---
 configure    | 89 +++++++++++++++++++++++++++-------------------------
 configure.ac | 51 ++++++++++++++++--------------
 2 files changed, 73 insertions(+), 67 deletions(-)

diff --git a/configure b/configure
index 8f5845dbfcb..ee518ccbaa1 100755
--- a/configure
+++ b/configure
@@ -14022,49 +14022,6 @@ $as_echo "#define HAVE_BROKEN_MBSTOWCS 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
-$as_echo_n "checking whether $CC supports computed gotos... " >&6; }
-if ${ac_cv_computed_gotos+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "$cross_compiling" = yes; then :
-  ac_cv_computed_gotos=no
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int main(int argc, char **argv)
-{
-    static void *targets[1] = { &&LABEL1 };
-    goto LABEL2;
-LABEL1:
-    return 0;
-LABEL2:
-    goto *targets[0];
-    return 1;
-}
-
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-  ac_cv_computed_gotos=yes
-else
-  ac_cv_computed_gotos=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_computed_gotos" >&5
-$as_echo "$ac_cv_computed_gotos" >&6; }
-if test "$ac_cv_computed_gotos" = yes
-then
-
-$as_echo "#define HAVE_COMPUTED_GOTOS 1" >>confdefs.h
-
-fi
-
 # Check for --with-computed-gotos
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-computed-gotos" >&5
 $as_echo_n "checking for --with-computed-gotos... " >&6; }
@@ -14095,6 +14052,52 @@ $as_echo "no value specified" >&6; }
 fi
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports computed gotos" >&5
+$as_echo_n "checking whether $CC supports computed gotos... " >&6; }
+if ${ac_cv_computed_gotos+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  if test "${with_computed_gotos+set}" = set; then
+   ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
+ else
+   ac_cv_computed_gotos=no
+ fi
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int main(int argc, char **argv)
+{
+    static void *targets[1] = { &&LABEL1 };
+    goto LABEL2;
+LABEL1:
+    return 0;
+LABEL2:
+    goto *targets[0];
+    return 1;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_computed_gotos=yes
+else
+  ac_cv_computed_gotos=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_computed_gotos" >&5
+$as_echo "$ac_cv_computed_gotos" >&6; }
+case "$ac_cv_computed_gotos" in yes*)
+
+$as_echo "#define HAVE_COMPUTED_GOTOS 1" >>confdefs.h
+
+esac
+
 case $ac_sys_system in
 AIX*)
 
diff --git a/configure.ac b/configure.ac
index 2bcbedfec6e..1ae79cc5e0a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4239,30 +4239,6 @@ then
    wide chars that would be converted.])
 fi
 
-AC_MSG_CHECKING(whether $CC supports computed gotos)
-AC_CACHE_VAL(ac_cv_computed_gotos,
-AC_RUN_IFELSE([AC_LANG_SOURCE([[[
-int main(int argc, char **argv)
-{
-    static void *targets[1] = { &&LABEL1 };
-    goto LABEL2;
-LABEL1:
-    return 0;
-LABEL2:
-    goto *targets[0];
-    return 1;
-}
-]]])],
-[ac_cv_computed_gotos=yes],
-[ac_cv_computed_gotos=no],
-[ac_cv_computed_gotos=no]))
-AC_MSG_RESULT($ac_cv_computed_gotos)
-if test "$ac_cv_computed_gotos" = yes
-then
-  AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
-  [Define if the C compiler supports computed gotos.])
-fi
-
 # Check for --with-computed-gotos
 AC_MSG_CHECKING(for --with-computed-gotos)
 AC_ARG_WITH(computed-gotos,
@@ -4284,6 +4260,33 @@ fi
 ],
 [AC_MSG_RESULT(no value specified)])
 
+AC_MSG_CHECKING(whether $CC supports computed gotos)
+AC_CACHE_VAL(ac_cv_computed_gotos,
+AC_RUN_IFELSE([AC_LANG_SOURCE([[[
+int main(int argc, char **argv)
+{
+    static void *targets[1] = { &&LABEL1 };
+    goto LABEL2;
+LABEL1:
+    return 0;
+LABEL2:
+    goto *targets[0];
+    return 1;
+}
+]]])],
+[ac_cv_computed_gotos=yes],
+[ac_cv_computed_gotos=no],
+[if test "${with_computed_gotos+set}" = set; then
+   ac_cv_computed_gotos="$with_computed_gotos -- configured --with(out)-computed-gotos"
+ else
+   ac_cv_computed_gotos=no
+ fi]))
+AC_MSG_RESULT($ac_cv_computed_gotos)
+case "$ac_cv_computed_gotos" in yes*)
+  AC_DEFINE(HAVE_COMPUTED_GOTOS, 1,
+  [Define if the C compiler supports computed gotos.])
+esac
+
 case $ac_sys_system in
 AIX*)   
   AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;;